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%%  Copyright by Wenliang Du.                                        %%
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\paragraph{用户账号。}
我们已在 {\tt Elgg} 服务器上创建了几个用户账户；用户名和密码如下所示。

\vspace{0.1in}
\begin{center}
\begin{tabular}{|l|l|l|}
\hline
User & UserName & Password\\
\hline
Admin & admin & seedelgg \\
Alice & alice & seedalice \\
Boby  & boby  & seedboby \\
Charlie & charlie & seedcharlie \\
Samy & samy & seedsamy \\
\hline
\end{tabular}
\end{center}
\vspace{0.1in}
